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Finding the Fourth Proportional to 302,840.40, 453,276.45 and 302,840.40

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Solution

The fourth proportional to 302,840.40, 453,276.45 and 302,840.40 is: 453,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,840.40 : 453,276.45 = 302,840.40 : x
  2. Step 2: Convert to fraction form
    302,840.40/453,276.45 = 302,840.40/x
  3. Step 3: Cross multiply
    302,840.40x = 453,276.45 × 302,840.40
  4. Step 4: Simplify right side
    302,840.40x = 137,270,421,428.58
  5. Step 5: Solve for x
    x = 137,270,421,428.58/302,840.40
  6. Step 6: Final answer
    x = 453,276.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.